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什么是不锈钢?

» 新闻 » What is stainless steel?

什么是不锈钢?

五月 24, 2019

 

不锈钢 is short for acid-proof Stainless Steel, 耐诸如空气弱腐蚀性介质中, 蒸汽, 水, or with a Stainless Steel grade is called Stainless Steel; 和耐化学腐蚀介质 (酸, 强碱, 盐等化学腐蚀) 钢的腐蚀被称为耐酸钢.

Due to the difference in chemical composition of the two so that their corrosion resistance is different, ordinary stainless steel is generally not resistant to chemical medium corrosion, and acid steel is generally rustproof. The term “不锈钢” does not simply refer to one kind of stainless steel, but to more than one hundred kinds of industrial stainless steel, each kind of stainless steel developed has good performance in its specific application field. The key to success is to find out the purpose first, and then determine the correct type of steel. There are usually only six types of steel used in construction applications. They all contain 17 至 22 percent chromium, and the better steels also contain nickel. Adding molybdenum can further improve the corrosion resistance of atmosphere, especially the corrosion resistance of atmosphere containing chloride.

Stainless steel refers to the air, 蒸汽, water and other weak corrosion medium and acid, 强碱, salt and other chemical corrosive medium corrosion steel, also known as stainless acid steel. In practical application, the steel which is resistant to weak corrosive medium is called stainless steel, and the steel which is resistant to chemical medium is called acid resistant steel. Due to the difference in chemical composition, the former is not necessarily resistant to chemical medium corrosion, while the latter is generally rustproof. The corrosion resistance of stainless steel depends on the alloying elements contained in the steel.

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